<!DOCTYPE html>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=765590
-->
<head>
  <title>Test for Bug 765590</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <style>
    @namespace svg "http://www.w3.org/2000/svg";
  </style>
</head>
<body>
  <script>
    var styleElement = document.getElementsByTagName("style")[0]
    var rule = styleElement.sheet.cssRules[0];
    is(rule.type, 10, "rule type should be equal 10")
    is(CSSRule.NAMESPACE_RULE, 10, "NAMESPACE_RULE should be equal to 10")
  </script>
</body>
